#57C4FC#57C4FC

#57C4FC is a light, vivid cyan. Relative luminance 0.485; OKLCH L 78.0% C 0.127 H 234.2°. Best body text is #000000 at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#57C4FC
RGB	rgb(87, 196, 252)
HSL	hsl(200, 96%, 66%)
HSV	hsv(200, 65%, 99%)
CMYK	cmyk(65.5%, 22.2%, 0%, 1.2%)
CIE-LAB	lab(75.16, -14.41, -36.76)
CIE-LCH	lch(75.16, 39.49, 248.59°)
OKLab	oklab(77.95% -0.0744 -0.1032)
OKLCH	oklch(77.95% 0.127 234.2)
XYZ	xyz(41.2342, 48.5300, 99.2707)
Luminance	0.4853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C4FC #FC8F57

analogous

#57FCE2 #57C4FC #5772FC

triadic

#57C4FC #FC57C4 #C4FC57

tetradic

#57C4FC #E257FC #FC8F57 #72FC57

square

#57C4FC #E257FC #FC8F57 #72FC57

split-complementary

#57C4FC #FC5772 #FCE257

monochromatic

#048ED5 #1BAFFB #57C4FC #93D9FD #CFEEFE

Accessibility & contrast

On white

1.96

#57C4FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.71

#57C4FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C4FC

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C4FC	#FFFFFF	#000000	##000000
##57C4FC	1.00	1.96	10.71	10.71
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.71	21.00	1.00	1.00
##000000	10.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9C2FF

Deuteranopia (green-blind)

#92B2FB

Tritanopia (blue-blind)

#00D3D7

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #57c4fc;
/* rgb */ color: rgb(87, 196, 252);
/* oklch */ color: oklch(78.0% 0.127 234.2);

Tailwind

colors: {
  custom: {
    50: '#97d5fd',
    500: '#57c4fc',
    950: '#000000',
  },
}

SCSS

$custom: #57c4fc;
$custom-light: #97d5fd;
$custom-dark: #000000;

JSON

{
  "hex": "#57c4fc",
  "rgb": {
    "r": 87,
    "g": 196,
    "b": 252
  },
  "hsl": {
    "h": 200.364,
    "s": 96.491,
    "l": 66.471
  },
  "oklch": {
    "l": 0.77952,
    "c": 0.12722,
    "h": 234.2
  },
  "luminance": 0.48534
}

Semantic roles & 50–950 ramp

primary

#57C4FC

secondary

#F2CFBD

accent

#4E00E6

background

#FAFDFF

surface

#F3FAFF

border

#CDD3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #57C4FC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →